AR 9MM Bolt Carrier Group- Black Nitride

Meticulous machining and a gorgeous Black Nitride finish by H&M ensures perfect fit and function in your 9mm build. This is probably the best 9mm bolt on the market. And as always, if you break it during intended use, we’ll repair or replace it! 8620 Single Piece Bolt 9mm H&M Black Nitride finish Properly heat treated Accepts a standard 5.56 AR15 extractor 17-4 stainless steel firing pin with spring Functions with all AR15 style PCC systems including: Colt Style Magazine Glock Style Magazine Endomag Weight: 14.6 oz 100% USA Made